/Engine/Plugins/Runtime/Metasound/Source/MetasoundFrontend/Public/MetasoundFrontendController.h
MetasoundFrontend Handles are all TSharedRefs of variousMetasoundFrontend Controllers.
typedef [TSharedRef](API\Runtime\Core\Templates\TSharedRef)< [IInputController](API\Plugins\MetasoundFrontend\IInputController) > FInputHandle